Amit Muni
Analyst · Bill Katz of Citigroup
Thank you, Jason, and good morning, everyone. Since our operating data is already known, I'll quickly go through the important items for the quarter and discuss some updated guidance around expenses. I'll then turn the call over to Kurt MacAlpine for some comments on our recent partnership announcements and then Jono for some closing comments, before opening it up for Q&A.
Beginning on Slide 3. Our global AUM was $60 billion at the end of the second quarter, reflecting the April close of our acquisition of ETF Securities, partly offset by outflows and market depreciation. Despite the strengthening of the U.S. dollar, increased political and economic uncertainty in Europe and growth concerns in Japan still continue to outflow from HEDJ and DXJ.
As the chart in the middle shows, momentum continue to build around our fixed income strategies, which posted higher inflows for the fifth straight quarter. The chart on the right breaks down our flows by listing region, with Canada continuing to show strong organic growth.
Turning to the U.S. segment flow highlights on Slide 4. While the overall U.S. segment endured outflows from HEDJ and DXJ, we continued to see benefits flow breadth and depth from our strategic initiatives around Advisor Solutions, investments in technology and new distribution channels and partnerships. A number of funds with creations on a daily basis remains above historical levels and the percentage of our assets in core funds continue to grow, generating inflows for the 10th straight quarter, despite the fact that the second quarter flows for the industry were down 11% from the first quarter.
At the fund level, we saw strong demand for our short duration fixed income strategies, including our 0 duration high-yield strategy, HYZD and our floating rate treasury strategy, USFR. USFR generated a $167 million of inflows during the quarter and is the asset and liquidity leader in a category that could generate significant demand.
We saw a rebound in U.S. equity flows with our Quality Dividend Growth, mid- and small-cap strategies, generating solid inflows. Despite emerging markets shifting out of favor on the back of the strengthening dollar, our strong performing and differentiated emerging market fund, which excludes data on enterprises, XSOE continues to resonate with investors and took in $59 million during the second quarter.
Let's take a look at our international segment flows on Slide 5. Our international segment has slight outflows as strength in Canada was more than offset by outflows from European listed products. The Canadian franchise generated inflows of $98 million, driven by our Suite of Quality Dividend Growth ETF, bringing total AUM to over $400 million in the first 2 years since we launched products in the region.
Our European UCITS products generated inflows of $141 million, or 67% annualized organic growth. These results are particularly strong in the context of the European ETF market flows, which slowed to just $3 billion industry-wide amid political and economic uncertainty.
Strong performance of our enhanced commodity fund, WCOA drove strong inflows, which marked the sixth quarter of inflows for that fund. Successful product launches also contributed to growth. We launched the UCITS versions of our first-to-market S&P 500 PutWrite strategy, which generated immediate interest in the marketplace and represents another example of leveraging successful products in one region to multiple markets.
We also successfully launched the world's first contingent convertible bond ETF and have seen some early traction in the markets as it provides investors with a diversified exposure to an otherwise difficult strategy to access.
The ETF Security strategies we acquired had net outflows during the period post deal, close to roughly $250 million as modest growth inflows were more than offset by sediment-driven oil and silver outflows.
Now turning to the financial results on Slide 6. Revenues in the quarter grew 26% from the first quarter to $75 million and net income grew to $17 million, reflecting the accretion from the ETF Securities transaction, which closed in the second week of April.
We had 2 non-GAAP items this quarter. First, we recorded a $10 million pretax gain, associated with marking to market the fair value of our gold commitment payments. And second, we incurred $8 million of acquisition-related costs. Adjusting for these items, we are on $14 million or $0.09 a share in the quarter.
Turning to the U.S. segment on the next slide. Gross margins were 83.4%, down slightly reflecting lower average U.S.-listed AUM in the quarter. Based on current AUM levels, we expect gross margin to remain around similar levels. Adjusted operating margins for the U.S. segment increased from the first quarter to 32.4%. Total U.S. segment expenses, excluding acquisition-related cost, declined 5% sequentially to $35.9 million. The decline was primarily driven by lower incentive compensation. The compensation ratio for the first half of the year was 28%, the middle of the range for the full year guidance of 27% to 29%.
Turning to Slide 8. I'd like to update you on some initiatives that will result in an update to our cost guidance for the second half of the year and also carry forward into 2019. First, we are changing our distribution approach to Japan by expanding our relationship with Premia Partners. As a result, we will wind down our existing sales office in Japan, which will yield savings of approximately $4 million annually. We announced the marketing relationship with Premia earlier this year where they would represent us in specific Asian countries. We are very pleased to now be expanding that into Japan.
This approach in Asia is similar to the very successful distribution approach we have taken for years in Latin America, with the Compass Group, and we believe it will drive stronger results at a lower cost.
Second, as you know, we have made investments over the last several years building an industry-leading approach to marketing and distribution through the use of data intelligence, AI and predictive analytics. These initiatives allows the better track client engagement at different levels. As a result, we are generating efficiencies, which will yield savings of approximately $3 million, so in total, we'll be realizing cost savings of nearly $7 million, of which $2 million will be recognized in the second half of this year and the full effect into 2019. These savings represent approximately 7% of our current consensus earnings in 2019. While we continue to invest in our business to drive future growth, we anticipate recognizing additional efficiencies as we get into 2019.
Now turning to our international segment on Slide 9. The international segment generating operating income of $4.1 million, driven by the results of ETF Securities acquisition. Revenue jumped to $21 million, reflecting the April 11 deal close. I'd like to spend a moment now, highlighting some of the changes to our international segment financial statements, starting with the contractual gold payment.
This expense results from a commitment we assumed through the acquisition of ETF Securities, where we are obligated to pay a fee similar to a royalty on the physical gold ETFs, based on the average daily spot price of gold. For the second quarter, this expense amounted to $2.7 million for the 89% of the quarter we owned ETF Securities. Related to this, we recorded the fair value of this obligation as a liability on our balance sheet. The mark-to-market of this liability between periods flow through the nonoperating section of our income statement, as a revaluation of deferred consideration.
Given the decline in gold prices during the second quarter, the value of the liability declined, therefore, we recorded a gain of $10 million. Finally, you'll notice the inclusion of interest expense in other operating expenses. The $2.1 million expense shown in the international segment relates only to the term loan raised to acquire ETF Securities. This amount is below the guidance we provided in May due to a lower a LIBOR rate than what we have projected. At last, I'll also like to highlight that we have recognized the majority of the $5 million of identified cost synergies from the acquisition, which is ahead of pace than we had initially outlined.
Now it is my pleasure to turn the call over to Kurt MacAlpine, our Global Head of Distribution.